Extend NTFS Partitions Free
The ExtPart utility provides support for online volume expansion of NTFS formatted basic disks in stand-alone (or Dell cluster configurations with Dell OpenManage Array Manager installed.)
http://support.dell.com/support/downloads/download.aspx?c=us&cs=19&l=en&s=dhs&releaseid=R64398&formatcnt=2&fileid=83929
USAGE
extpart [volume size]
volume - the volume to extend. e.g. f:, g:, etc (only basic volumes)
size - the size in megabytes by which to extend the volume.
Example:
To extend the g: volume by 1 GB (1024 MB) use the following command:
extpart g: 1024